Optiboost: SEO Image Optimizer vs Webrex: SEO Image Optimizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of May 4, 2026 for Optiboost, Nov 8, 2026 for Webrex.
The short answer
- Only Webrex lists a free plan.
- Webrex lists 11 features Optiboost’s listing doesn’t mention, including Bulk editing, Image backup, Image compression.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 24*7 support
- · 50 Product access
- · Advanced filter
- · Image optimization dashboard & analysis
- · Product image bulk optimization
- · Product image optimization
Premium
- · 500 Product Access
- · All in Free
- · Homepage image automation
- · Homepage image bulk optimization
- · Product image automation
- · Theme & other image automation
Pro
- · 1000 Product Access
- · All in Premium
- · Priority Support
Elite
- · 5000 Product Access
- · All in Pro
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureOptiBoost is an all-in-one performance optimizer for Shopify. In one click, compress and change images to WebP, run SEO audits, and manage scripts from a clean dashboard. Features: Image Optimization (WebP, resizing), SEO Audit & Reports (meta tags, broken links), Script & Asset Management (lazy-load, minify), Broken Link Scanner with redirects, and AI Alt Text Generation via GPT-4.
Supercharge your store speed & SEO in seconds! Webrex automatically scans and compresses all product, homepage, and banner images—shrinking file sizes without losing quality. Enjoy lightning-fast load times, higher Core Web Vitals, and better Google rankings. New uploads? Instantly optimized. Existing ones? Bulk-processed. Set it up once and let Webrex handle it all—effortlessly, forever.
- Change images to WebP and resize them automatically for faster loading speeds
- Get full SEO scores with actionable insights on meta tags and broken link issues
- Lazy-load third-party scripts and minify assets to reduce render-blocking time.
- Automatically detect 404 pages and manage redirects directly from the dashboard.
- Auto-scan & optimize all images – products, homepage, and site visuals.
- Smart compression reduces sizes without quality loss.
- Bulk process existing images or auto-optimize new uploads.
- Improves Core Web Vitals for higher SEO rankings.
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Optiboost |  Webrex |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Optiboost | Webrex |
|---|---|---|
| App Store rating | Not published | 4.8 ★ |
| App Store reviews | Not published | 139 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | 0% |
FAQ
Optiboost and Webrex: common questions
- Is Optiboost or Webrex cheaper?
- Only Webrex lists a free plan. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Webrex lists 11 the others don’t mention, such as Bulk editing, Image backup, Image compression, Image optimization. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of May 4, 2026 for Optiboost, Nov 8, 2026 for Webrex; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of May 4, 2026 for Optiboost, Nov 8, 2026 for Webrex. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.